Industries Qatar product price drop hits earnings

* Q4 profit falls 65 pct to 570 million riyals * Ninth profit drop in past 11 quarters * Annual profit also down despite record sales volumes (Recasts, adds details) By Matt Smith DUBAI, Feb 4 (Reuters) - Petrochemicals, metals and fertiliser producer Industries Qatar (IQ) blamed lower product prices for an extended earnings slump on Thursday. Although IQ's sales volumes hit an all-time high, the state-run firm reported a net profit of 570 million riyals ($157 million) for the three months to De